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Precursor of Color Superconductivity in Hot Quark Matter

M. Kitazawa·T. Koide·T. Kunihiro·Y. Nemoto
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Abstract

We investigate possible precursory phenomena of color superconductivity in quark matter at finite temperature T with use of a simple Nambu-Jona-Lasinio model. It is found that the fluctuating pair field exists with a prominent strength even well above the critical temperature T_c. We show that the collective pair field has a complex energy located in the second Riemann sheet, which approaches the origin as T is lowered to T_c. We discuss the possible relevance of the precursor to the observables to be detected in heavy ion collisions.

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M. Kitazawa, T. Koide, T. Kunihiro, Y. Nemoto. 2002-04-14. Precursor of Color Superconductivity in Hot Quark Matter. https://doi.org/10.1103/physrevd.65.091504

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